Zoo spokeswoman Cheryl Piropato tells The Journal Gazette (http://bit.ly/1rgQWDZ ) that this female cub has been more robust than others since she was born June 9.

The cub was the third litter of cubs to be born at the zoo in the last three years, but none of the three cubs born in 2012 and 2013 lived longer than two weeks. She weighed about a third of a pound when she was born and now weighs about a full pound.